Spindle-driving device for spinning-machines



(No Model.)

TH. LOGAN. SPINDLE DRIVING DEVICE FOR SPINNING MACHINES.

Patented Deo. 11, 1888.

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UNITED STATES PATENT OFFICE.

' THOMAS H. LOGAN, OF LOYELL, ASSIGNOR TO THE SAVYER SPINDLE COM- PANY, OF BOSTON, MASSACHFSETTS.

SPINDLE-DRIVING DEVICE FOR SPINNING-MACHINES.

SPECIFICATION forming part of Letters Patent No. 394,542, dated December Il, 1888.

Application filed November 3, 1887. Serial No. 254,160. (No model.)

T all whom it may 007106771.' section; and Figs. 2 and 3 are similar views 5o Be it known that I, THOMAS ll. LOGAN, of of modifications of my invention, to be re- Lowell, county ot' Middlesex, and State of ferred to.

Massachusetts, have invented an Improve- The rail A, provided with a suitable hole,

ment in Spindle-Driving Devices for .`pin receives within it a threaded shank, B, of a ning-Machines, of whiehthe following' descripspindle-summit, C, it having at one sido an 55 t-ion, in connection with the accompanying 'upright portion, as 2, made hollow, and prodrawings, is a specification, like letters on vided with an inlet, as 3, Yfor oil, and with a the drawings representing like parts. laterally-extended upper bcarin g, as 4, f or the Io This invention has for its obj ect to simplify spindle, and an oil-inlet, as (j, for the said upthe construction, and especially to lessen the per bearing. The portion 4, as well as the 6o wear, of the spindle-bearing, due especially to main body of the support, is bored to form a the pull of the band upon the spindle. straight passage for the reception of the lower In accordance with my invention a spindle end or pintle ot' the spindle D below the at- 5 having its bearings in a spindle-support has tachment to it of the sleeve D ,the inner walls attached toitatoothed gear which is engaged of the holes so formed constituting rigid bear- 65 and rotated by anothertoothed gear connected ings a l) for the lower end of the spindle, the to or made part of a whirl free to turn upon a lower extremity of the spindle resting upon a hollow stud or shaft parallel to the spindle, step, as E, preferably of steel, and driven up 2o the driving-band :t'or imparting motion to the through the shank B from below. l desire it spindle being passed around the said whirl to be understood, however, that I may, it de- 7o rather than around a whirl upon the spindle, sired, provide each of the said bearing porthe said hollow stud having holes in it for the tions with an independent bearing of usual passage of oil to the interior of the whirl. construction, as in section, Fig. 2, where the Above its upper bearing the spindle has atsaid liearing portions are both shown as protached to it a sleeve or bushing which constivided with independent bearing-sur'faces d b. 75 tutes a seat or holder for thelower end ot' the The support, as herein shown, has erected bobbin, the upper bearing for the spindle, as upon it, near the spindle-bearings, a stud, as herein shown, being extended up into the said c, about which turns freely a whirl, as d, hav- 3o sleeve. ing attached to or forming part ot' it a gear,

The spindle, as herein represented, has two e', having teeth e2, which engage teeth c5 of a 8o independent lateral bearings below the sleeve gear, el, fastened upon the spindle, as herein referred to, each one, as herein shown, being shown, between the portion 4 and the main rigid, the lower end ot' the spindle resting body of the spindle-support, the attachment upon an independent step forced into the supof the said gear to the'spindle being preferaport, the said support being provided with oilbly by means of a screw, as f. The lower end 85 inlets and suitable passages to conduct oil to of the hollow stud c (see Figs. l and 2) terboth the said lateral bearings. minates in the chamber containing oil em- The teeth of the gears referred to will prefployed to lubricate the step-bearing. 4o erably be of different material, and, prefera- As shown in Figs. l and 3, the teeth of the bly, one of the gears will have teeth made of gears e e4 referred to are made of wood, their 9o wood driven into holes in the said gear; but shanks or inner ends being forced into the instead of wood the teeth may be of two difhubs of the gears, such teeth being noiseless; ferent metals to avoid undue wear of one upon but l desire it to be expressly understood that the other, as is well understood. the said teeth maybe of metal, as represented Figure l in vertical section shows a spinin Fig. Q, and may torni integral parts ot' the 95 die-support and rail and gearing and whirl hubs ot' the gears, and one ot' the said gears embodying my invention, the spindle being may be of 011e and the other of another metal, in elevation and its attached sleeve-whirl in so as to obviate undue wear by the friction ot' one gear into the other, and when worn the said teeth may be removed and, new teeth substituted for them.

Fig. 3 shows a second modification of my invention, wherein the spindle-bearing' surface b at the lower end of the spindle is surrounded hy an elastic packing, as b2, my invention in rotating the spindle being applicable also to that class of spindle. The stud c is made hollow, as shown, and provided with oil-ducts c c2 to oil the surfaces which rotate about it.

I have herein shown, but I do not claim, one rigid and one loose bearing fora spindle, as such is not of my invention.

scribing witnesses.

THOMAS H. LOGAN. XVitnesses:

S. C. CLARK, B. M. HUToHINs. 

